Subclavian pain is a clinical condition in which the subclavian region contains skin, muscles, nerves, ribs, pleura, and lung tissue. Various disease causes such as exertion, cartilage weave injury, inflammation, trauma, and tumor can cause subclavian pain. The common causes of subclavian pain are muscle injury, soft tissue contusion, intercostal neuritis, inflammation of rib cartilage, pneumothorax, pleurisy, lipoma, neurofibroma, overexertion, local soft tissue damage due to incorrect posture, cervical spondylosis, frozen shoulder, etc. can also cause subclavian pain. Heart diseases such as myocardial ischemia and coronary artery disease can cause subclavian pain on the left side. Abdominal disorders such as cholecystitis can cause pain radiating from the right side of the subclavian bone. If the pain under the clavicle is persistent and severe, pay attention to whether lung cancer has invaded the roof of the pleura. The pain under the clavicle requires timely consultation with the internal medicine department of the hospital, physical examination, CT of the chest, blood test, ultrasound examination according to the medical history, and pathological examination to exclude lymph node enlargement caused by malignant tumor metastasis to confirm the diagnosis. For example, if there are bacterial or viral infections causing inflammation of the rib cartilage or pleurisy, you can use sensitive anti-inflammatory drugs; to regulate nerves and relieve pain, you can also take oral vitamin B and fen-phen and other painkillers; for muscle strains and injuries, you need to use hot compresses and infrared physical therapy, and you can use acupuncture and small acupuncture. The pain caused by tumors, such as breast cancer, needs to be treated by surgery, radiotherapy, chemotherapy, herbal medicine, etc.; those with mild symptoms can be treated by hot compresses, physiotherapy, adhesive plasters, tui na, acupuncture, etc.; closure is also a common treatment. Avoid excessive exercise that causes injury, pay attention to wind protection, avoid overexertion, avoid getting cold and blowing wind, etc. In short, if you have subclavian pain, you need to go to the hospital for timely diagnosis and symptomatic treatment of the cause, as well as more rest, pay attention to warmth, and do not smoke and drink.